Stocks have never posted a losing year after a midterm election since 1950. Here’s why that matters heading into 2026 elections.

Markets hate uncertainty. But they have a remarkably consistent way of handling it. Since 1950, the S&P 500 has not posted a single negative one-year return in the 12 months following a midterm election. Not one. Through 19 midterm cycles spanning Eisenhower to Biden — across recessions, oil shocks, impeachments, wars and a financial crisis ... Stocks have never posted a losing year after a midterm election since 1950. Here’s why that matters heading into 2026 elections.